DE69425914D1 - Process for rapidly changing heating and / or cooling - Google Patents
Process for rapidly changing heating and / or coolingInfo
- Publication number
- DE69425914D1 DE69425914D1 DE69425914T DE69425914T DE69425914D1 DE 69425914 D1 DE69425914 D1 DE 69425914D1 DE 69425914 T DE69425914 T DE 69425914T DE 69425914 T DE69425914 T DE 69425914T DE 69425914 D1 DE69425914 D1 DE 69425914D1
- Authority
- DE
- Germany
- Prior art keywords
- gas
- orifice
- flow
- jacket
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/02—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00137—Details of operation mode
- A61B2017/00154—Details of operation mode pulsed
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00041—Heating, e.g. defrosting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
- A61B2018/0231—Characteristics of handpieces or probes
- A61B2018/0262—Characteristics of handpieces or probes using a circulating cryogenic fluid
- A61B2018/0268—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow
- A61B2018/0281—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow using a tortuous path, e.g. formed by fins or ribs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
- A61B2018/0231—Characteristics of handpieces or probes
- A61B2018/0262—Characteristics of handpieces or probes using a circulating cryogenic fluid
- A61B2018/0268—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow
- A61B2018/0281—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow using a tortuous path, e.g. formed by fins or ribs
- A61B2018/0287—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow using a tortuous path, e.g. formed by fins or ribs the fluid flowing through a long thin tube with spiral shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0059—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Surgical Instruments (AREA)
- Processing Of Solid Wastes (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
A method for creating a surface having a fast changing temperature, comprises providing a heat exchanger coupled to an orifice opening into a jacket which is in contact with the surface to be heated and cooled, the said jacket forming a reservoir capable of housing a fluid in contact with the surface to be heated and cooled, and providing two gas sources, each gas source being independently connected to the said heat exchanger, one source providing a first gas, which liquefies when it expands through the said orifice, and the other gas source providing a second gas, having an inversion temperature lower than the temperature obtained by the liquefaction of the first gas, and causing the exhaust gas flowing out from the said jacket, to flow through the said heat-exchanger to preheat or precool the inflowing gas, as the case may be, and further causing the said first and the said second gas alternately to flow through the said heat exchanger and orifice, to cool or to heat the said surface; means being provided for allowing and stopping the flow of each gas through the said orifice. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL104506A IL104506A (en) | 1993-01-25 | 1993-01-25 | Fast changing heating- cooling device and method, particularly for cryogenic and/or surgical use |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69425914D1 true DE69425914D1 (en) | 2000-10-26 |
DE69425914T2 DE69425914T2 (en) | 2001-04-26 |
Family
ID=11064445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69425914T Expired - Lifetime DE69425914T2 (en) | 1993-01-25 | 1994-01-13 | Process for rapidly changing heating and / or cooling |
Country Status (7)
Country | Link |
---|---|
US (3) | US5522870A (en) |
EP (1) | EP0608927B1 (en) |
JP (2) | JP3510914B2 (en) |
AT (1) | ATE196541T1 (en) |
CA (1) | CA2113381C (en) |
DE (1) | DE69425914T2 (en) |
IL (1) | IL104506A (en) |
Families Citing this family (137)
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---|---|---|---|---|
IL104506A (en) * | 1993-01-25 | 1997-11-20 | Israel State | Fast changing heating- cooling device and method, particularly for cryogenic and/or surgical use |
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GB2283678B (en) * | 1993-11-09 | 1998-06-03 | Spembly Medical Ltd | Cryosurgical catheter probe |
IL110176A (en) * | 1994-06-30 | 1999-12-31 | Israel State | Multiprobe surgical cryogenic apparatus |
US5897553A (en) | 1995-11-02 | 1999-04-27 | Medtronic, Inc. | Ball point fluid-assisted electrocautery device |
US6409722B1 (en) | 1998-07-07 | 2002-06-25 | Medtronic, Inc. | Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue |
US6530234B1 (en) | 1995-10-12 | 2003-03-11 | Cryogen, Inc. | Precooling system for Joule-Thomson probe |
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US6505629B1 (en) | 1996-07-23 | 2003-01-14 | Endocare, Inc. | Cryosurgical system with protective warming feature |
US6270494B1 (en) | 1996-12-26 | 2001-08-07 | Cryogen, Inc. | Stretchable cryoprobe sheath |
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US5885276A (en) * | 1997-12-02 | 1999-03-23 | Galil Medical Ltd. | Method and device for transmyocardial cryo revascularization |
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US8128595B2 (en) | 1998-04-21 | 2012-03-06 | Zoll Circulation, Inc. | Method for a central venous line catheter having a temperature control system |
US6458150B1 (en) | 1999-02-19 | 2002-10-01 | Alsius Corporation | Method and apparatus for patient temperature control |
US6419643B1 (en) | 1998-04-21 | 2002-07-16 | Alsius Corporation | Central venous catheter with heat exchange properties |
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US6716236B1 (en) | 1998-04-21 | 2004-04-06 | Alsius Corporation | Intravascular catheter with heat exchange element having inner inflation element and methods of use |
US6126684A (en) | 1998-04-21 | 2000-10-03 | The Regents Of The University Of California | Indwelling heat exchange catheter and method of using same |
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US6165207A (en) * | 1999-05-27 | 2000-12-26 | Alsius Corporation | Method of selectively shaping hollow fibers of heat exchange catheter |
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-
1993
- 1993-01-25 IL IL104506A patent/IL104506A/en not_active IP Right Cessation
-
1994
- 1994-01-07 US US08/178,510 patent/US5522870A/en not_active Expired - Lifetime
- 1994-01-13 AT AT94200071T patent/ATE196541T1/en not_active IP Right Cessation
- 1994-01-13 CA CA002113381A patent/CA2113381C/en not_active Expired - Fee Related
- 1994-01-13 EP EP94200071A patent/EP0608927B1/en not_active Expired - Lifetime
- 1994-01-13 DE DE69425914T patent/DE69425914T2/en not_active Expired - Lifetime
- 1994-01-21 JP JP00511994A patent/JP3510914B2/en not_active Expired - Fee Related
-
1996
- 1996-02-09 US US08/599,630 patent/US5702435A/en not_active Expired - Lifetime
-
1997
- 1997-12-11 US US08/988,974 patent/US5891188A/en not_active Expired - Lifetime
-
2003
- 2003-06-18 JP JP2003173959A patent/JP2004053247A/en active Pending
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CA2113381A1 (en) | 1994-07-26 |
CA2113381C (en) | 2003-11-25 |
JPH07110175A (en) | 1995-04-25 |
IL104506A0 (en) | 1994-07-31 |
ATE196541T1 (en) | 2000-10-15 |
US5891188A (en) | 1999-04-06 |
IL104506A (en) | 1997-11-20 |
EP0608927A2 (en) | 1994-08-03 |
EP0608927B1 (en) | 2000-09-20 |
DE69425914T2 (en) | 2001-04-26 |
JP3510914B2 (en) | 2004-03-29 |
US5522870A (en) | 1996-06-04 |
JP2004053247A (en) | 2004-02-19 |
US5702435A (en) | 1997-12-30 |
EP0608927A3 (en) | 1995-02-08 |
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